1084555313 has 4 divisors (see below), whose sum is σ = 1086686580. Its totient is φ = 1082424048.

The previous prime is 1084555267. The next prime is 1084555319. The reversal of 1084555313 is 3135554801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 982383649 + 102171664 = 31343^2 + 10108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084555313 - 2⁶ = 1084555249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1084555319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064870 + ... + 1065887.

It is an arithmetic number, because the mean of its divisors is an integer number (271671645).

Almost surely, 2^1084555313 is an apocalyptic number.

It is an amenable number.

1084555313 is a deficient number, since it is larger than the sum of its proper divisors (2131267).

1084555313 is an equidigital number, since it uses as much as digits as its factorization.

1084555313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131266.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1084555313 is about 32932.5874021462. The cubic root of 1084555313 is about 1027.4260401455.

The spelling of 1084555313 in words is "one billion, eighty-four million, five hundred fifty-five thousand, three hundred thirteen".